package com.huangzhao.gulimall.order.config;

import com.google.common.collect.Maps;
import lombok.extern.log4j.Log4j2;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Map;

/* 容器中的Queue、Exchange、Binding 会自动创建（在RabbitMQ）不存在的情况下 */
@Log4j2
@Configuration
public class MyRabbitMQConfig {

    @Autowired
    private RabbitTemplate rabbitTemplate;

    /**
     * 死信队列
     *
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> arguments = Maps.newHashMap();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 30000);
        Queue delayQueue = new Queue("order.delay.queue", true, false, false, arguments);
        return delayQueue;
    }

    /**
     * 普通队列
     *
     * @return
     */
    @Bean
    public Queue orderReleaseQueue() {
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    /**
     * TopicExchange
     *
     * @return
     */
    @Bean
    public Exchange orderEventExchange() {
        TopicExchange exchange = new TopicExchange("order-event-exchange", true, false);
        return exchange;
    }

    @Bean
    public Binding orderCreateBinding() {
        Binding binding = new Binding("order.delay.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.create.order", null);
        return binding;
    }

    @Bean
    public Binding orderReleaseBinding() {
        Binding binding = new Binding("order.release.order.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.release.order", null);
        return binding;
    }

    /**
     * 订单释放直接和库存释放进行绑定
     *
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {

        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.release.other.#", null);
    }

//    @RabbitListener(queues = {"order.release.order.queue"})
//    public void listenMsg(OrderEntity entity, Channel channel, Message message) throws IOException {
//        log.info("entity.orderSN为：{}", entity.getOrderSn());
////        log.info("消息内容为：{}", ObjectUtil.deserialize(message.getBody()).getClass());
//        channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
//    }

    /**
     * 商品秒杀队列
     * @return
     */
    @Bean
    public Queue orderSecKillOrrderQueue() {
        Queue queue = new Queue("order.seckill.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Binding orderSecKillOrrderQueueBinding() {
        //String destination, DestinationType destinationType, String exchange, String routingKey,
        // 			Map<String, Object> arguments
        Binding binding = new Binding(
                "order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);

        return binding;
    }

}
